Pteredin pentanedioic derivative based nanoparticles

Abstract

In one embodiment, a method includes making a pteredin phenyl pentanedioic (3P) formulation by providing an aqueous solution including one of more 3P molecules neutralized with one or more of an alkali, an alkali earth metal hydroxide, or an alkali carbonate; adding to the aqueous solution one of a surfactant, dispersant, or additive with the guest molecules; and non-covalently crosslinking the 3P formulation by exposing the 3P formulation to an excess solution of multivalent cation salt.

What is claimed is: 
     
         1 . A pteredin phenyl pentanedioic (3P) formulation comprising:
 a non-covalently crosslinked aqueous solution of one or more of the 3P molecules, the 3P formulation neutralized with one of an alkali, alkali earth metal hydroxide, or alkali carbonate, the aqueous solution being crosslinked through a multivalent cation salt;   one or more of a guest molecule, surfactant, dispersant, or additive; and   a plurality of nanoparticles.   
     
     
         2 . A method comprising:
 making a 3P formulation by providing an aqueous solution comprising one of more 3P molecules neutralized with one or more of an alkali, an alkali earth metal hydroxide, or an alkali carbonate;   adding to the aqueous solution one of a surfactant, dispersant, or additive with the guest molecules; and   non-covalently crosslinking the 3P formulation by exposing the 3P formulation to an excess solution of multivalent cation salt.   
     
     
         3 . The method of  claim 2 , further comprising adding to the aqueous solution one or more nanoparticles. 
     
     
         4 . The method of  claim 2 , wherein the one or more 3P molecules are foliate molecules. 
     
     
         5 . The method of  claim 2 , wherein the guest molecules are bioactive compounds selected from one of a drug, herbicide, pesticide, pheromone, or antimicrobial agent. 
     
     
         6 . The method of  claim 3 , wherein the one or more nanoparticles comprise one or more of a metal, semiconductor, polymer, surfactant, dendrimer, lyotropic crystalline structure, liquid crystalline structure, or 3P structure. 
     
     
         7 . The method of  claim 3 , wherein the one or more nanoparticles comprise a bioactive compound selected from one or more of a drug, herbicide, pesticide, pheromone, and antimicrobial agent. 
     
     
         8 . The method of  claim 7 , wherein the one or more nanoparticles comprise two or more bioactive compounds that affect each other. 
     
     
         9 . The method of  claim 2 , wherein a concentration of the 3P formulation has a range of approximately 0.1 to 50 weight percentage of the one or more 3P molecules. 
     
     
         10 . The method of  claim 2 , wherein making the 3P formulation further comprising dispersing the 3P formulation in a water-soluble polymer phase, the water-soluble polymer phase comprising a water-soluble polymer. 
     
     
         11 . The method of  claim 3 , wherein the one or more 3P nanoparticles having a dimension less than approximately 1000 nanometers. 
     
     
         12 . The method of  claim 2 , further comprising contacting the crosslinked 3P formulation with a surface-modifying agent, the surface-modifying agent comprising one or more of an organic oxyacid of carbon, sulfur, phosphorus, or a combination thereof. 
     
     
         13 . The method of  claim 10 , wherein a weight ratio of the water-soluble polymer phase to the 3P formulation being in a range of approximately 3:1 to 100:1. 
     
     
         14 . The method of  claim 10 , wherein a concentration of the water-soluble polymer is a range of approximately 15 to 25 weight percentage of the aqueous solution. 
     
     
         15 . The method of  claim 2 , wherein a multivalent cation of the multivalent cation salt is one of Ba2+, Ca 2+ , Fe. 2+ , Fe 3+ , Zn 2+ , Mg 2+ , and Al 3+ . 
     
     
         16 . The method of  claim 10 , wherein the water-soluble polymer comprises one or more of a vinyl alcohol polymer, aspartic acid polymer, acrylic acid polymer, methacrylic acid polymer, acrylamide polymer, vinyl pyrrolidone polymer, poly(alkylene oxide), vinyl methyl ether polymer, sulfonated polyester, complex carbohydrate, guar gum, gum arabic, gum tragacanth, larch gum, gum karaya, locust bean gum, agar, alginate, caragheenan, pectin, cellulose, cellulose derivative, starch, modified starch, or combinations thereof. 
     
     
         17 . A method of  claim 7 , wherein the bioactive compound of the one or more nanoparticles reacts with a bioactive contained in the 3P formulation. 
     
     
         18 . The method of  claim 2 , further comprising:
 coating a surface with the 3P formulation, the guest molecule is a salt of a noble metal;   reducing the noble metal ion to the metal; and   making arrays of nanowires or nano dots by burning off the 3P formulation.   
     
     
         19 . The method of  claim 2 , further comprising exposing the 3P formulation to an aqueous solution of hydrochloric acid of pH less than approximately 4.